package Java.Class.Medium;

public class Test {
    public static void main(String[] args) {

        //多态  Item item=new cd();

        //继承
        CD cd = new CD();
        cd.add(new CD("世界之巅", "王绎龙", 10, 100, true, "总有一天我会站在世界之巅"));
        cd.list();
        String s = "abcd";
        System.out.println("\n" + s.equals("abcd"));
    }
}
